Bottle stopper



FIG. 1 is a rear elevational view of bottle stopper in a first position;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view of the bottle stopper in a second position;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a top plan view thereof. 

The ornamental design for a bottle stopper, as shown and described. 